/[MITgcm]/MITgcm/eesupp/src/eedie.F
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Annotation of /MITgcm/eesupp/src/eedie.F

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Revision 1.12 - (hide annotations) (download)
Sat Sep 1 22:43:55 2012 UTC (12 years ago) by jmc
Branch: MAIN
CVS Tags: checkpoint64, checkpoint63s
Changes since 1.11: +8 -9 lines
always call MPI_FINALIZE when ALLOW_USE_MPI is defined (skip test if usingMPI)
since MPI_INIT has also been called.

1 jmc 1.12 C $Header: /u/gcmpack/MITgcm/eesupp/src/eedie.F,v 1.11 2012/03/28 20:22:39 jmc Exp $
2 jmc 1.7 C $Name: $
3 cnh 1.1
4     #include "CPP_EEOPTIONS.h"
5 ce107 1.8 #ifdef USE_LIBHPM
6     # include "f_hpm.h"
7     #endif
8 cnh 1.1
9 jmc 1.9 CBOP
10 cnh 1.1 SUBROUTINE EEDIE
11 jmc 1.9 C *==========================================================*
12 cnh 1.1 C | SUBROUTINE EEDIE |
13     C | o Close execution "environment", particularly perform |
14     C | steps to terminate parallel processing. |
15 jmc 1.9 C *==========================================================*
16 cnh 1.1 C | Note: This routine can also be compiled with CPP |
17     C | directives set so that no multi-processing is initialised|
18     C | This is OK and should work fine. |
19 jmc 1.9 C *==========================================================*
20 adcroft 1.4 IMPLICIT NONE
21 cnh 1.1
22     C == Global variables ==
23     #include "SIZE.h"
24     #include "EEPARAMS.h"
25     #include "EESUPPORT.h"
26 jmc 1.9 CEOP
27    
28 cnh 1.1 C == Local variables ==
29 jmc 1.11 C msgBuf :: I/O Buffer
30     C nThreadsDone :: Used to count number of completed threads.
31     C I :: Loop counter.
32 cnh 1.1 CHARACTER*(MAX_LEN_MBUF) msgBuf
33     INTEGER nThreadsDone
34 jmc 1.11 INTEGER I
35 cnh 1.1 #ifdef ALLOW_USE_MPI
36 jmc 1.11 C mpiRC :: Error code reporting variable used with MPI.
37 cnh 1.1 INTEGER mpiRC
38     #endif /* ALLOW_USE_MPI */
39    
40 jmc 1.11 IF ( eeBootError ) THEN
41     C-- Skip ended threads counting if earlier error was found
42     WRITE(msgBuf,'(2A)')
43     & 'EEDIE: earlier error in multi-proc/thread setting'
44     CALL PRINT_ERROR( msgBuf, 1 )
45     fatalError = .TRUE.
46    
47     ELSE
48 cnh 1.1 C-- Check that all the threads have ended
49     C No thread should reach this loop before all threads have set
50     C threadIsComplete to TRUE. If they do then either there is a bug
51 jmc 1.11 C in the code or the behaviour of the parallel compiler directives
52     C are not right for this code. In the latter case different
53     C directives may be available or the compiler itself may have a
54 cnh 1.3 C bug or you may need a different parallel compiler for main.F
55 jmc 1.11 nThreadsDone = 0
56     DO I = 1, nThreads
57     IF ( threadIsComplete(I) ) nThreadsDone = nThreadsDone+1
58     ENDDO
59     IF ( nThreadsDone .LT. nThreads ) THEN
60     WRITE(msgBuf,'(A,I5,A)')
61     & 'S/R EEDIE: Only',nThreadsDone,' threads have completed,'
62     CALL PRINT_ERROR( msgBuf, 1 )
63     WRITE(msgBuf,'(A,I5,A)')
64     & 'S/R EEDIE:',nThreads,' are expected for this config !'
65     CALL PRINT_ERROR( msgBuf, 1 )
66     eeEndError = .TRUE.
67     fatalError = .TRUE.
68     ENDIF
69    
70     C-- end if/else eebootError
71 cnh 1.1 ENDIF
72    
73 ce107 1.8 #ifdef USE_LIBHPM
74     CALL F_HPMTERMINATE(myProcId)
75     #endif
76 jmc 1.12
77 cnh 1.1 #ifdef ALLOW_USE_MPI
78 jmc 1.12 C- Note: since MPI_INIT is always called, better to also always terminate MPI
79     C (even if usingMPI=F) --> comment out test on usingMPI
80     c IF ( usingMPI ) THEN
81    
82 cnh 1.1 C-- MPI style multiple-process termination
83     C-- ======================================
84 jmc 1.7 #ifdef COMPONENT_MODULE
85     IF ( useCoupler) CALL MPI_BARRIER( MPI_COMM_WORLD, mpiRC )
86 cnh 1.1 #endif
87 mlosch 1.10 #ifdef ALLOW_OASIS
88     IF ( useOASIS ) CALL OASIS_FINALIZE
89     #endif
90 cnh 1.1 CALL MPI_FINALIZE ( mpiRC )
91     IF ( mpiRC .NE. MPI_SUCCESS ) THEN
92     eeEndError = .TRUE.
93     fatalError = .TRUE.
94 adcroft 1.4 WRITE(msgBuf,'(A,I5)')
95 cnh 1.1 & 'S/R FIN_PROCS: MPI_FINALIZE return code',
96     & mpiRC
97     CALL PRINT_ERROR( msgBuf, 1 )
98     ENDIF
99 jmc 1.12
100     c ENDIF
101 cnh 1.1 #endif /* ALLOW_USE_MPI */
102    
103     RETURN
104     END

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